Kwikset One-Sided Contemporary Deadbolt Collection
Kwikset's largest-selling deadbolt in America, the 660 series deadbolt provides tough, effective protection at an affordable price.
- Features adjustable latch & deadbolt to fit all standard door preparations
- ANSI/BHMA Grade 3 Security
- Single Sided Deadbolt Without Exterior Plate - 663 - Deadbolt locked from thumb turn on inside only. There is no exterior cylinder to unlock. This makes the door unable to be unlocked from the exterior. No exterior plate for doors that are only half bored through the door.
- Kwikset® 6-Way Deadbolt Latch Combination - For 2-3/8 Or 2-3/4" Backset - Drive In, Round Corner, Or Square Corner Latch Applications